# Analytics

See the page on Google Analytics also.

## Cost Savings

Estimating cost savings is a difficult task with open textbooks and other publications. Below is a snapshot of the algorithm we use to predict cost savings.

### Chapter Cost

Cost per page (default = \$0.10) * Words in the chapter / Words per page (default = 500)

### Chapter Savings

Chapter cost * (Predicted read count + (Untracked views * Reading likelihood) + PDF downloads)

### Book Cost

Σ(Chapter cost)

### Book Savings

(Book cost * PDF downloads) + Σ(Chapter savings)

CC BY: This work is released under a CC BY license, which means that you are free to do with it as you please as long as you properly attribute it.